statistics of the european and associated purse …784 table 4. purse seine number by size...
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SCRS/2016/177 Collect. Vol. Sci. Pap. ICCAT, 73(2): 779-791 (2017)
779
STATISTICS OF THE EUROPEAN AND ASSOCIATED
PURSE SEINE FISHING FLEET IN THE ATLANTIC OCEAN (1991-2015)
P. Pascual-Alayón1, L. Floch2, P. Dewals3, D. Irié3,4, A.H. Amatcha3,4, M.J. Amandè4, E. Chassot5
SUMMARY
The document presents an overall summary of the fishing activities of the European and
assimilated purse seine fleet operating in the eastern Atlantic Ocean over the period 1991-
2015. We describe the annual changes in fleet technical characteristics (carrying capacity,
size), fishing effort (fishing and searching days), extent of fishing grounds, catches and nominal
Catch per Unit Effort by species, as well as the average individual weight by species. Maps are
also presented indicating the fishing effort distribution in the Atlantic, as well as the spatio-
temporal distribution of European and assimilated purse seine catches in 2015 compared to
previous years (2010-2014).
RÉSUMÉ
Le document présente un résumé général des activités de pêche de la flottille de senneurs
européens et assimilés qui opérait dans l'océan Atlantique Est au cours de la période 1991-
2015. Nous décrivons les changements annuels survenus dans les caractéristiques techniques
de la flottille (capacité de transport, taille), l'effort de pêche (jours de pêche et jours de
recherche), étendue des zones de pêche, prises et capture nominale par unité d'effort par
espèce, ainsi que poids individuel moyen par espèce. Des cartes sont également présentées
indiquant la distribution de l'effort de pêche dans l'Atlantique, ainsi que la distribution spatio-
temporelle des prises des senneurs européens et assimilés en 2015 par rapport aux années
antérieures (2010-2014).
RESUMEN
Este documento presenta un resumen global de las actividades pesqueras de la flota de cerco
europea y asociada que operó en el Atlántico oriental durante el periodo 1991-2015. Se
describen los cambios anuales en las características técnicas de la flota (capacidad de
transporte, tamaño), el esfuerzo pesquero (días de búsqueda y de pesca), la magnitud de los
caladeros, las capturas y la captura por unidad de esfuerzo nominal por especies, así como el
peso medio individual por especies. También se presentan mapas de pesca que indican la
distribución del esfuerzo pesquero en el Atlántico, así como la distribución espacial y temporal
de las capturas de cerco de la flota europea y asimilada en 2015, en comparación con años
previos (2010-2014).
KEYWORDS
Tuna fishery, yellowfin, skipjack, purse seiners,
catch/effort, species composition, size composition
1 Instituto Español de Oceanografía (IEO). Centro Oceanográfico de Canarias. Apdo. de Correos 1373. 38080. Santa Cruz de Tenerife. Islas
Canarias, Spain 2 Institut de Recherche pour le Développement (IRD). UMR 284 MARBEC (IRD/Ifremer/UM/CNRS), Avenue Jean Monnet, 34200 Sète,
France 3 IRD, UMR MARBEC, 15 BP 917 Abdijan 15, Côte d’Ivoire 4 Centre de Recherche Océanographique d’Abidjan B.P. V-18, Abidjan, Côte d’Ivoire 5 IRD, UMR MARBEC, SFA, BP570, Victoria, Seychelles
780
References
Anon. 1984. Informe del Grupo de Trabajo sobre Túnidos Tropicales Juveniles. Brest. Col. Vol. Sci. Pap.
ICCAT 21(1): 289 pp.
Fonteneau, A., 1981. Note sur le mode de calcul de la P.U.E. des seneurs FISM. Vol. Sci. Pap . ICCAT 15(2):
407-411PP.
Pallarés, P. y Ch. Petit, 1998. Túnidos tropicales: nueva estrategia de muestreo y tratamiento de datos para
estimar la composición específica de las capturas y sus distribuciones de tallas. Vol. Sci. Pap. ICCAT, 48 (2):
230-246 pp.
Pianet, R., A. Delgado, L. Floch, J. Ariz, A. Damiano, I. Sabate, Y. Kouassi et F.N’Gom. 2012. Statistiques de la
pêcherie thonière europeenne et assimilée dans l’océan Atlantique durant la période 1991-2010. Col. Vol.
Sci.Pap. ICCAT, 68(3): 886-914.
781
Table 1. Catches by species (tones) of European and associated purse-seine fleet.
ALL
Year YFT SKJ BET ALB Others Total
1991 92476 125536 14188 416 1735 234351
1992 96706 87244 18230 2518 1255 205952
1993 90102 124875 30857 1450 1246 248530
1994 88062 105633 32379 1079 2239 229391
1995 84684 99208 25096 412 2302 211703
1996 82476 83928 25006 258 3799 195468
1997 68311 60204 15918 118 2733 147284
1998 73339 56439 12622 434 3065 145898
1999 58248 76845 15593 264 2004 152955
2000 64190 64493 13698 32 1741 144154
2001 77098 60918 14030 24 2460 154531
2002 75207 48068 14282 39 1008 138604
2003 66043 73424 14303 308 1561 155639
2004 53206 77033 10816 19 1784 142858
2005 49326 58509 9685 533 1528 119581
2006 49892 47556 10919 441 1216 110024
2007 43183 54178 10794 45 1972 110172
2008 62576 58269 12603 76 1802 135326
2009 67103 62960 16790 149 2578 149581
2010 62071 75957 19090 303 2329 159749
2011 51577 84445 21368 146 1967 159503
2012 56949 95341 17681 360 3112 173443
2013 50161 121364 16606 110 3454 191695
2014 53592 116788 18901 50 4746 194077
2015 62792 121607 17587 241 4753 206981
782
Table 2. Catches by species (tones), on logs, of European and associated purse-seine fleet.
Objects
Year YFT SKJ BET ALB Others TOTAL
1991 15775 82330 12193 6 970 111274
1992 18121 65424 14660 24 695 98925
1993 19653 76822 22215 6 798 119495
1994 23400 67023 26478 0 1515 118416
1995 21245 75704 21598 5 1937 120490
1996 20246 71203 21860 0 3053 116362
1997 12378 38590 13280 0 2227 66475
1998 10869 29833 10383 0 1904 52989
1999 12360 39971 12695 181 985 66192
2000 12885 45054 11164 0 1487 70590
2001 11665 45584 11611 1 2222 71084
2002 11526 36947 11262 3 881 60620
2003 12660 43940 11198 101 1014 68914
2004 11913 52419 9086 0 1267 74685
2005 10818 48329 7827 28 1442 68443
2006 10328 40887 6479 1 1148 58843
2007 9921 50364 7597 2 1956 69841
2008 14256 51671 10335 5 1639 77906
2009 12191 58190 12744 1 2365 85490
2010 15890 68124 14960 13 2222 101208
2011 13260 77429 17778 16 1782 110266
2012 13357 88983 13458 15 2822 118635
2013 11100 107755 13980 15 3121 135971
2014 15654 110118 14597 19 4513 144902
2015 20062 112079 15357 21 4474 151994
783
Table 3. Catches by species (tones), on free schools, of European and associated purse-seine fleet.
Free School
Year YFT SKJ BET ALB Others TOTAL
1991 76701 43206 1995 410 764 123077
1992 78585 21819 3569 2494 560 107027
1993 70448 48053 8642 1444 448 129035
1994 64662 38610 5901 1079 724 110975
1995 63439 23504 3497 407 365 91213
1996 62230 12725 3146 258 746 79106
1997 55933 21615 2638 118 505 80809
1998 62470 26605 2239 434 1161 92909
1999 45888 36874 2898 83 1020 86764
2000 51305 19439 2534 32 254 73564
2001 65433 15334 2419 23 238 83446
2002 63681 11121 3020 36 126 77984
2003 53382 29483 3105 207 547 86725
2004 41294 24614 1730 19 517 68173
2005 38508 10180 1859 505 86 51138
2006 39564 6669 4440 440 69 51181
2007 33261 3814 3197 43 15 40331
2008 48320 6598 2268 71 163 57420
2009 54912 4771 4047 148 213 64091
2010 46181 7833 4130 291 107 58541
2011 38316 7016 3590 130 185 49237
2012 43592 6358 4223 345 290 54808
2013 39061 13609 2626 95 333 55724
2014 37934 6564 4292 31 232 49053
2015 42679 9288 2229 220 279 54694
784
Table 4. Purse seine number by size categories and carrying capacity of the European and associated fleet.
Year 50-400 401-600 601-800 801-1200 1201-2000 > 2000 Total C. capacity
1991 5 28 11 18 8 1 71 41978
1992 3 27 9 16 9 1 65 44296
1993 3 24 10 16 10 1 64 41227
1994 3 24 9 14 8 1 59 41122
1995 1 24 9 14 7 0 55 38196
1996 2 23 9 13 7 0 54 35775
1997 1 23 9 13 6 0 52 30907
1998 1 20 7 10 5 1 44 29988
1999 1 21 5 9 5 0 41 25877
2000 1 20 7 10 3 0 41 27385
2001 1 18 7 12 6 0 44 30714
2002 1 19 5 10 6 0 41 25036
2003 1 16 3 11 4 0 35 25681
2004 1 14 3 11 5 0 34 25311
2005 0 10 2 10 5 0 27 21856
2006 0 10 2 7 5 0 24 17574
2007 0 9 3 8 7 0 27 19104
2008 0 9 4 9 9 0 31 23211
2009 0 7 4 14 11 0 36 30415
2010 0 6 4 13 11 0 34 32213
2011 0 6 4 13 10 0 33 31417
2012 0 5 4 13 10 0 32 29557
2013 0 5 4 14 9 0 32 29328
2014 0 5 3 10 18 0 36 34337
2015 1 0 4 9 23 1 38 41446
785
Table 5. Purse seine number from the European and associated fleet according to their flag.
Flag
19
91
19
92
19
93
19
94
19
95
19
96
19
97
19
98
19
99
20
00
20
01
20
02
20
03
20
04
20
05
20
06
20
07
20
08
20
09
20
10
20
11
20
12
20
13
20
14
20
15
Neth. Antilles
3 3 3 3 3 3 2 3 3
1 1 1 3 3 3 3 3 2
Belize
1
1 1
2 1 1 1 1 3 2
Cape Verde
2 2 2 2 2 2 2 2 2 3 4
Curaçao
4
El Salvador
1
2
Spain 37 37 30 30 24 24 20 19 19 19 17 16 15 15 10 8 13 15 16 15 15 14 14 15 12
France 23 17 18 18 17 16 19 15 15 14 17 17 14 12 9 7 5 7 10 10 9 9 9 9 9
Ghana
1 1 1 1 1 1 1 1 1 1 1 1 1
Guatemala
1 2 2 2 2 2 1 1 1 1 1 2 2
Guinea Conakry
2 2 2
Honduras
1
Italy 1 1
Liberia
2 1
Malaysia
1
Malta 1 1 1
Morocco 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Norway 1
Panama 7 5 7 7 6 5 2 1 1 1 1 1
3 3 3 3 2 3 2 2 2 2 3
Seychelles
1
1 1
St. Vincent 2 4 4 2 3 2 2 3 1 3 3
Vanuatu
1 2 2 2 2 2 1
Venezuela
2 1
Total Ps 73 67 64 62 57 55 53 45 41 43 46 41 36 34 28 25 27 31 37 35 33 32 32 36 38
786
Table 6. Carrying capacity and fishing efforts (raw fishing days and searching days) of the European and
associated purse seine fleet.
Year C.Capaciy F. days S. days
1991 41978 15636 13712
1992 44296 17459 15891
1993 41227 16428 14677
1994 41122 15905 14233
1995 38196 14789 13089
1996 35775 14672 13118
1997 30907 12784 11554
1998 29988 12594 11223
1999 25877 11732 10579
2000 27385 10579 9396
2001 30714 11346 10123
2002 25036 9826 8818
2003 25681 8964 7741
2004 25311 8522 7557
2005 21856 7115 6259
2006 17574 5727 5036
2007 19104 6130 5385
2008 23211 7086 6098
2009 30425 8850 7623
2010 32213 9262 8257
2011 31417 8956 7567
2012 29557 8556 7182
2013 29328 8255 7773
2014 32026 9577 8201
2015 41446 10207 9746
787
Figure 1. Catches by species and fishing effort in searching days of the European and associated purse-seine
fleet according to their fishing mode: combined (top), Objets (middles) and free schools (bottom).
0
10
20
30
40
50
0
10
20
30
40
50
19
91
19
92
19
93
19
94
19
95
19
96
19
97
19
98
19
99
20
00
20
01
20
02
20
03
20
04
20
05
20
06
20
07
20
08
20
09
20
10
20
11
20
12
20
13
20
14
20
15 C
arry
ing
cap
acit
y (x
10
00
)
catc
h (
t x
10
00
0)
All
BET YFT SKJ Total C. capacity
0
5
10
15
20
25
30
35
19
91
19
92
19
93
19
94
19
95
19
96
19
97
19
98
19
99
20
00
20
01
20
02
20
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20
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20
10
20
11
20
12
20
13
20
14
20
15
catc
h (
t x
10
00
0)
Objects
TOTAL
SKJ
YFT
BET
0
5
10
15
20
25
30
19
91
19
92
19
93
19
94
19
95
19
96
19
97
19
98
19
99
20
00
20
01
20
02
20
03
20
04
20
05
20
06
20
07
20
08
20
09
20
10
20
11
20
12
20
13
20
14
20
15
Cat
ch (
t x
10
00
0)
Free SchoolTotalYFTSKJBET
788
Figura 2. Distribution of the catches by species of the European and associated purse-seine fleet in 2015 (left)
and on average over the 2010-2014 period (right).
Figura 3. Distribution of the catches by species of the European and associated purse-seine fleet, on log schools,
in 2015 (left) and on average over the 2010-2014 period (right).
Figura 4. Distribution of the catches by species of the European and associated purse-seine fleet, on free
schools, in 2015 (left) and on average over the 2010-2014 period (right).
789
Figure 5. Boats number, TJB category and carrying capacity of European and associated purse-seine fleet.
Figure 6. Fishing effort of European and Associated purse-seine fleet in number of fishing days, searching days
and carrying capacity.
0
5
10
15
20
25
30
35
40
45
50
0
10
20
30
40
50
60
70
801
99
1
19
92
19
93
19
94
19
95
19
96
19
97
19
98
19
99
20
00
20
01
20
02
20
03
20
04
20
05
20
06
20
07
20
08
20
09
20
10
20
11
20
12
20
13
20
14
20
15
Car
ryin
g ca
pac
ity
(x 1
00
0)
Nu
mb
er o
f ve
ssel
s50-400 401-600 601-800 801-1200
1201-2000 > 2000 C. capacity
0
5
10
15
20
25
30
35
40
45
50
0
2
4
6
8
10
12
14
16
18
20
19
91
19
92
19
93
19
94
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95
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99
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Car
ryin
g ca
pac
ity
(x 1
00
0)
Fish
ing
day
s (x
10
00
)
Fishing days Searching days Carrying capaciy
790
Figure 7. Distribution of the fishing effort (day at sea European and Associated purse-seine fleet in 2015.
791
Figure 8. Distribution of the fishing effort (day at sea European and Associated purse-seine fleet in the period
2010-2004.